John Deleon, MD
NPI 1245297654 · Diagnostic Ultrasound Physician · Waterbury, CT
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Deleon, MD is a Diagnostic Ultrasound Physician provider in Waterbury, CT (NPI 1245297654).
Provider details
- NPI number
- 1245297654
- Entity type
- Individual
- Primary specialty
- Diagnostic Ultrasound PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- License
- 040870 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
2,865 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| X-Ray of Chest, 1 View71045 | 418 | $9 |
| Ct Scan Head Or Brain Without Contrast70450 | 287 | $42 |
| X-Ray of Chest, 2 Views71046 | 193 | $11 |
| Screening 3d Breast Mammography77063 | 185 | $57 |
| Screening Mammography77067 | 185 | $141 |
| Ct Scan of Chest Without Contrast71250 | 116 | $55 |
| Ct Scan of Abdomen and Pelvis Without Contrast |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-28
- Last updated
- 2025-09-11
Frequently asked questions
- What is John Deleon's NPI number?
- John Deleon's National Provider Identifier (NPI) is 1245297654, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Deleon's specialty?
- John Deleon is listed in the NPPES registry with a primary specialty of Diagnostic Ultrasound Physician (Allopathic & Osteopathic Physicians).
- Where is John Deleon located?
- John Deleon's practice location on file with NPPES is 134 Grandview Ave, Waterbury, CT 06708.
- What is John Deleon's phone number?
- The practice phone number listed in the NPPES registry for John Deleon is (203) 756-8911.
- Does John Deleon accept Medicare?
- John Deleon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Deleon's NPI active?
- Yes — John Deleon's NPI (1245297654) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.